Steripen Water Bottle Pre-Filter Shelter and Sleeping Touchscreen-compatible fingertips allow device use

Touchscreen-compatible fingertips allow device use without removing gloves

four-fold bound construction

and everything in between

Triangular Bandage

Zipped top pocket for keys

Steripen Water Bottle Pre-Filter Shelter and Sleeping Touchscreen-compatible fingertips allow device useA simple but effective filtration step for cleaner, safer water on the go, the SteriPen Pre Filter removes particulates through a durable 40x40 micron screen before UV purification making it especially useful for cloudy or sediment laden water where UV treatment alone is less effective. Designed for seamless integration with any SteriPen UV Water Purifier, the two step process is straightforward: pour water through the filter to fill your bottle, swap